CN Tower Seven Wonders of The Modern World – Civil Engineering Wonders
The CN Tower is the Seven Wonders of the Modern World by the American Society of Civil Engineers. Here I tell you about this CN tower. CN Tower History, Drawing, height, ticket, etc.
- Date Started: February 6, 1973
- Date Finished: June 26, 1976
- Location: Toronto, Ontario, Canada
- Significance: Tallest freestanding structure in the world 1976–2007
- height: 553.33m
About CN Tower
The CN Tower is the highest free-standing structure and building in the world. It also has the tallest observatory for public use in the world, even though it isn’t considered to be an official building. Its height is 553.33 meters it is an important communications hub. It is twice as high as the Eiffel Tower, and three times as tall as that of the Washington Monument.
CN Tower Location
It is located on the northern shore of Lake Ontario, at the southernmost point of the city of Toronto, Ontario, Canada The CN Tower is easily accessible via major highways and roads. It was constructed to serve as a tourist and communication tower.
CN Tower Structure
The CN tower is comprised of a central hollow hexagonal column constructed of concrete that houses ladders, elevators, and plumbing and electrical connections. Connected to the main column is the transmission antenna as well as the two areas for visitors. The main column is supported by three legs supporting it, making it appear as the tripod of a camera.
A few of the main floors are accessible to the general public. At 342 meters, there’s the glass floor as well as an observation deck outside. The floor is made of thermal glass units which are 64 millimeters thick. The floor is 24,4 m2. It can endure pressures of 600 psi. There’s a Horizons Caf and Lookout Level at 346m.
At 351m, there’s an e-restaurant that rotates called 360 Restaurant. It is completely around 360° every time it takes 72 minutes. Its rotation is so slow that you are able to enjoy the stunning panorama of Toronto without realizing that each moment is a new experience.
Sky Pod Sky Pod has been voted the top observatories in the entire world. From the Sky Pod, visitors are able to see cities like Rochester located in Lake Ontario, USA, between 100 and 120 km and also see the mist rising up from Niagara Falls.
The CN Tower is the tallest metal ladder anywhere in the world. In the 1776th stage, the ladder is at the top level. It is meant to be used in emergency situations only and is closed to the public 3 times per year, during fundraising stair-climbing competitions.
A Visiting Place
Toronto offers a unique attraction near the base of the CN Tower called the Tour of the Universe. The cost is $10 you are able to walk through a replica spaceport as well as take in a laser show and feel the thrill to travel through space.
The Universe Tour is open daily between 10 a.m. until 10 p.m. The CN Tower is open 364 days of the calendar year (closed the day of Christmas Day). The hours of operation are between 9 pm and 9:45 pm on January through April nights, and from 8 am until 11 midnight from May to December. Adults pay 16 dollars.
CN Tower History
The story of CN Tower was revealed on the 6th of February 1973, the day that construction of the tower began with The Canadian National Railway. CN was originally a reference to “Canadian National”, it was constructed on railroad land, which railway companies had designed for a development dubbed Metro Center.
The CN Tower was constructed during a period that Toronto was experiencing an economic boom. Actually, it was the Canadian National Railway had planned it to show the power of Canadian industries, and CN particularly.
The 1960s, particularly the late 1900s were prosperous years for Toronto and the city, with huge tall buildings sprouting. This can cause some problems when radio broadcasting within the downtown region because of reflections from these high-rises. It is possible to elevate the antenna over these structures. At present, the majority of data communications rely on point-to-point microwave links, which require lines of sight connections.
CN Tower Construction
A Toronto-based firm designed it with the help of engineering experts from around the world. His original plan showed three towers connected by structural bridges. Gradually the design evolved into a single 1,815.5-foot-tall tower consisting of three hollow “legs”.
Giant backhoes excavated more than 62,000 tons of earth with a depth of 50 feet off the shores of Lake Ontario in the port of Toronto. Next, the solid and reinforced steel was arranged in a Y-shaped pattern 22 feet thick.
The foundation took four months to complete. The tower has never before faced the challenge of height before the completion of concrete technology. The concrete was transported 24 hours a day, five days a week, and as it was hardened, through a mold hydraulic jack ring. The ascending slip form slowly curled to give the tower its tapering shape.
When the tower reached 335 meters. On the trail, builders built a skypod, a seven-story structure housing two observation decks, a revolving restaurant, a nightclub, and broadcast equipment. The skypod is anchored by 12 steel and wooden brackets that were slowly pushed to the tower by 45 hydraulic jacks.
The concrete tower continues above the skypod, ending 446 meters above the space deck. The space deck offers visitors a breathtaking vista with a glass-enclosed balcony. On a clear day, they may be able to see sites 75 miles away.
For the final phase of construction, a Sikorsky Skyken helicopter came to install more than 100 meters of the tower. Communication mast. One helicopter after another lifted about 40 seven-sections of the mast to the top of the tower. When the sections were applied, they were secured by a total of 40,000 bolts. Later, the entire mast was covered by fiberglass to reinforce the sheathing to prevent fragmentation.
CN Tower Construction Cost
In April of 1975 as the OLGA helicopter lifted the 44th element that made up the CN Tower antenna The CN Tower became one of 17 other impressive structures. It was the first to be the world’s most compact free-standing structure. Were.
In 1975, the tower cost 57 57 million to construct, which is a bargain in comparison to other contemporary marvels. The tower was shut down on the 2nd of April, 1975 and it was officially opened on June 26.
24 years on, it’s the largest telecom hub in Toronto that serves 16 Canadian radio and television stations. They employ around 550 people throughout the year and are one of Toronto’s most popular entertainment venues.
CN Tower Guinness Book of World Records
Ross McWhirter, an editor of the Guinness Book of World Records was the key person in establishing the record for historical accuracy in the year 2000, and ever since it has been the CN Tower has been awarded numerous mentions in the book which includes the longest ladder made of metal and, more recently, the highest wine cellar anywhere in the world.
1995 it was in 1995 that the CN Tower was deemed as a landmark by the American Society of Civil Engineers as one of the Seven Wonders of the Modern World. In 1996 the CN Tower’s designation was officially changed to the world’s highest building and free-standing structure.
Last Word About CN Tower
Through the decades, CN Tower has supported its growth into Toronto’s top entertainment center by renovating and reimagining 360 restaurants, creating the world’s highest wine cellar, and adding two brand new elevators.
On the 26th of June, 1997 TrizecHahn Corporation, one of the biggest real estate firms within North America, signed long-term management and operational lease of the CN Tower and its basement. Its 2626 million expansion of entertainment and revival was officially opened on June 26, 1998.
The massive expansion and the total CN Tower revival plan will begin CN Tower in the next century as a leading international entertainment and entertainment venue.
Each year, around 2 million people visit the world’s most imposing structure to enjoy stunning views and take in all the attractions at the CN Tower. When you stay in the CN Tower it is possible to also be able to shop in souvenir shops.